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| author | Eric Christopher <echristo@apple.com> | 2010-01-08 21:37:11 +0000 |
|---|---|---|
| committer | Eric Christopher <echristo@apple.com> | 2010-01-08 21:37:11 +0000 |
| commit | 4a1d7e1506855a0ad943a675ab208743f74c046b (patch) | |
| tree | 204c725eaba8f3d326e126d7c612b493d699eb5c /llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp | |
| parent | 9242ae047c4c061c0501d626e5e372f11b5877bc (diff) | |
| download | bcm5719-llvm-4a1d7e1506855a0ad943a675ab208743f74c046b.tar.gz bcm5719-llvm-4a1d7e1506855a0ad943a675ab208743f74c046b.zip | |
Remove unnecessary dyn_cast and add a comment. Part of a WIP.
llvm-svn: 93026
Diffstat (limited to 'llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp')
| -rw-r--r-- | llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp b/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp index e34360087c6..47c37c46587 100644 --- a/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp +++ b/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp @@ -633,12 +633,12 @@ Instruction *InstCombiner::visitCallInst(CallInst &CI) { break; } case Intrinsic::objectsize: { - ConstantInt *Const = dyn_cast<ConstantInt>(II->getOperand(2)); - - if (!Const) return 0; - + ConstantInt *Const = cast<ConstantInt>(II->getOperand(2)); const Type *Ty = CI.getType(); + // 0 is maximum number of bytes left, 1 is minimum number of bytes left. + // TODO: actually add these values, the current return values are "don't + // know". if (Const->getZExtValue() == 0) return ReplaceInstUsesWith(CI, Constant::getAllOnesValue(Ty)); else |
